Codes + Standards, Energy + Environment

New NEMA Standard For Street & Area Light Internal Energy Metering

David Shiller January 21, 2022

The National Electrical Manufacturers Association (NEMA) published American National Standard for Roadway and Area Lighting Equipment—Metering Performance Requirements for LED Drivers with Integral Energy Measurement (ANSI C136.52-2021). This new standard establishes acceptable metering performance criteria for LED drivers with built-in (integral to the driver) energy consumption measurement functionality for use in outdoor luminaire applications. It describes two metering device performance levels for roadway and area lighting applications: 2% Accuracy Class and 5% Accuracy Class.

This standard is written for use by roadway and area lighting component manufacturers, municipal and regional governments specifying outdoor lighting solutions, and street lighting offices/bureaus. ANSI C136.52-2021 is available on the NEMA website for $70.

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David Shiller

David Shiller is the Publisher of LightNOW, and President of Lighting Solution Development, a North American consulting firm providing business development services to advanced lighting manufacturers. The ALA awarded David the Pillar of the Industry Award. David has co-chaired ALA’s Engineering Committee since 2010. David established MaxLite’s OEM component sales into a multi-million dollar division. He invented GU24 lamps while leading ENERGY STAR lighting programs for the US EPA. David has been published in leading lighting publications, including LD+A, enLIGHTenment Magazine, LEDs Magazine, and more.

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